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Q: For the construction of cement concrete floor, the maximum permissible size of aggregates is
  • A. 4 mm
  • B. 6 mm
  • C. 8 mm
  • D. 10 mm
Correct Answer: Option D - Max Permissible size of aggregate for different works– • 40 mm for massive works like dam, retaining walls etc. • 20 mm for reinforced member • 10 mm for floor
D. Max Permissible size of aggregate for different works– • 40 mm for massive works like dam, retaining walls etc. • 20 mm for reinforced member • 10 mm for floor

Explanations:

Max Permissible size of aggregate for different works– • 40 mm for massive works like dam, retaining walls etc. • 20 mm for reinforced member • 10 mm for floor